The SanDisk Professional - PRO-G40 SSD 2TB External Thunderbolt 3 and USB-C NVMe Portable SSD - Black costs $0.3250/GB while the KingSpec 2TB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade costs $0.1100/GB. KingSpec 2TB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade offers 66% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk Professional - PRO-G40 SSD 2TB External Thunderbolt 3 and USB-C NVMe Portable SSD - Black vs KingSpec 2TB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade — Which Is Better Value?
Specification Comparison
| Spec | SanDisk Professional - PRO-G40 SSD 2TB External Thunderbolt 3 and USB-C NVMe Portable SSD - Black | KingSpec 2TB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade |
|---|---|---|
| Brand | SanDisk | KingSpec |
| Capacity | 2 TB | 2 TB |
| $/GB | $0.3250 | $0.1100 |
| Price | $649.99 | $219.99 |
| Retailer | Best Buy | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the KingSpec 2TB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade offers better value at $0.1100//GB compared to the SanDisk Professional - PRO-G40 SSD 2TB External Thunderbolt 3 and USB-C NVMe Portable SSD - Black at $0.3250//GB — that's roughly 66% less per gigabyte.
The best deal for the KingSpec 2TB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade is $219.99 at Amazon, while the SanDisk Professional - PRO-G40 SSD 2TB External Thunderbolt 3 and USB-C NVMe Portable SSD - Black starts at $649.99 at Best Buy.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each SanDisk Professional - PRO-G40 SSD 2TB External Thunderbolt 3 and USB-C NVMe Portable SSD - Black and KingSpec 2TB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade product page for detailed specifications and price history.
Frequently Asked Questions
Is SanDisk Professional - PRO-G40 SSD 2TB External Thunderbolt 3 and USB-C NVMe Portable SSD - Black or KingSpec 2TB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade a better deal?
As of May 2026, KingSpec 2TB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade offers better value at $0.1100//GB compared to SanDisk Professional - PRO-G40 SSD 2TB External Thunderbolt 3 and USB-C NVMe Portable SSD - Black at $0.3250//GB. That is approximately 66% better value per gigabyte.
What is the price per GB of SanDisk Professional - PRO-G40 SSD 2TB External Thunderbolt 3 and USB-C NVMe Portable SSD - Black?
The SanDisk Professional - PRO-G40 SSD 2TB External Thunderbolt 3 and USB-C NVMe Portable SSD - Black is currently priced at $0.3250/GB ($649.99 for 2 TB) at Best Buy.
Where can I buy KingSpec 2TB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade for the cheapest price?
The cheapest price for the KingSpec 2TB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade is $219.99 at Amazon, which works out to $0.1100/GB.